Using COc1ccc2c(c1OC)C(c1ccccc1)NCC2, O=C(Cl)CCl to produce COc1ccc2c(c1OC)C(c1ccccc1)N(C(=O)CCl)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.