Using COc1ccc(Cc2cnc(NCCSCc3nccs3)[nH]c2=O)cn1 to produce O=c1[nH]c(NCCSCc2nccs2)ncc1Cc1ccc(O)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.