Using CCCCOC(C(=O)NC1CCN(Cc2ccccc2)CC1)(c1ccccc1)C(C)C to produce CCCCOC(C(=O)NC1CCNCC1)(c1ccccc1)C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.