Using CCOC(=O)N1CCN(C(c2ccc(Cl)cc2)c2ccccc2Cl)CC1 to produce Clc1ccc(C(c2ccccc2Cl)N2CCNCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.