Using O=C([O-])[O-], COc1cc2c(cc1OC)C(C1(c3ccc(Cl)cc3Cl)CCC1)NCC2 to produce COc1cc2c(cc1OC)C(C1(c3ccc(Cl)cc3Cl)CCC1)N(C)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.