Using CC(=O)OC1O[C@H](COC(=O)c2ccccc2)[C@](C)(OC(C)=O)[C@@]1(C)F, Clc1ncnc2nc[nH]c12 to produce CC(=O)O[C@@]1(C)[C@@H](COC(=O)c2ccccc2)OC(n2cnc3c(Cl)ncnc32)[C@]1(C)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.