Using COc1ccc(N2CCOCC2)c2sc(-c3nc4c([nH]3)CCNCC4)nc12, O=C(Cl)C1CC1 to produce COc1ccc(N2CCOCC2)c2sc(-c3nc4c([nH]3)CCN(C(=O)C3CC3)CC4)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.