Using CCOc1ccc(C2ON(S(=O)(=O)c3ccc(NC(C)=O)cc3)C(C)C=C2C)cc1 to produce CCOc1ccc(C2ON(S(=O)(=O)c3ccc(N)cc3)C(C)C=C2C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.