Using CN1CC=C(CC(=O)N2c3ccccc3NC(=O)c3ccccc32)CC1 to produce CN1CCC(CC(=O)N2c3ccccc3NC(=O)c3ccccc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.