Using CN1CCc2c(-c3ccc(Cl)cc3)cc3c(c2C1)NC(=O)C3=O, NO to produce CN1CCc2c(-c3ccc(Cl)cc3)cc3c(c2C1)NC(=O)C3=NO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.