Using CCOC(=O)/C=C/c1ncnc(OCc2ccc(-c3cc(OC)ccc3F)c(CC(C)(C)C)n2)c1C to produce CCOC(=O)CCc1ncnc(OCc2ccc(-c3cc(OC)ccc3F)c(CC(C)(C)C)n2)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.