Using CCCCOc1c(C=C2N(C)c3ccccc3C2(C)C)c(=O)c1=O, NO to produce CN1C(=Cc2c(O)c(=O)c2=NO)C(C)(C)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.