Using O=C(Cl)C1CC1, COc1ccc2c(c1)C(C1CCNCC1)CC2 to produce COc1ccc2c(c1)C(C1CCN(C(=O)C3CC3)CC1)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.