Using CCOC(=O)C1(Nc2cccc(C)c2)CCN(Cc2ccccc2)CC1 to produce Cc1cccc(NC2(CO)CCN(Cc3ccccc3)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.