Using COC(=O)c1cccc(-n2c(C(=O)OC)c(CCSC(C)=O)c3ccccc32)c1 to produce O=C(O)c1cccc(-n2c(C(=O)O)c(CCS)c3ccccc32)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.