Using CCOC(=O)C1CCN(CCC=C2c3ccccc3CCc3ccccc32)CC1 to produce O=C(O)C1CCN(CCC=C2c3ccccc3CCc3ccccc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.