Using CCOC(=O)CCCC1C(=O)c2ccccc2N(CCCN(C)C)c2ccccc21 to produce CCOC(=O)CCCC1Cc2ccccc2N(CCCN(C)C)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.