Using C=O, CCN(CC)C(=O)c1ccc(N(Cc2ccccc2)C2CCNCC2)cc1 to produce CCN(CC)C(=O)c1ccc(N(Cc2ccccc2)C2CCN(C)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.