Using COC(=O)c1c(NCc2ccc(OC)c(Cl)c2)nc(SC)nc1OC to produce COc1ccc(CNc2nc(SC)nc(OC)c2C(=O)O)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.