Using COc1ccc(Cn2ccc(C)c([N+](=O)[O-])c2=O)cc1, C=O to produce CCc1ccn(Cc2ccc(OC)cc2)c(=O)c1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.