Using CC(=O)c1ccc(N2CCC(N(C)CCc3ccccc3)CC2)cc1 to produce CC(O)c1ccc(N2CCC(N(C)CCc3ccccc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.