Merge adjacent sites into a complex

[xfk274280]

17 37880996 . T TTTA . PASS AS_FilterStatus=SITE;AS_SB_TABLE=2337,1597|178,137;DP=4390;ECNT=2;GERMQ=93;MBQ=35,36;MFRL=184,191;MMQ=60,60;MPOS=26;NALOD=2.09;NLOD=506.28;POPAF=6.00;TLOD=1053.35 17 37880997 . G T . PASS AS_FilterStatus=SITE;AS_SB_TABLE=2337,1597|178,137;DP=4408;ECNT=2;GERMQ=93;MBQ=35,34;MFRL=184,191;MMQ=60,60;MPOS=26;NALOD=2.09;NLOD=506.29;POPAF=6.00;TLOD=1053.34

These two sites are close to each other and should be merged into the following format. Can bcftools do it?

17 37880997 . G TTAT . PASS