Using NCC1(O)CN(C(c2ccccc2)c2ccccc2)C1, O=C(Cl)CCl to produce O=C(CCl)NCC1(O)CN(C(c2ccccc2)c2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.