Using CCn1ncc2c(NC3CC3)c(C=NO)cnc21, C=C(C)C(=O)OC to produce CCn1ncc2c(NC3CC3)c(C3=NOC(C)(C(=O)OC)C3)cnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.