Using COc1ccc2c(OCc3nnc4ccc(-c5ccc(C(=O)Cl)c(F)c5)cn34)ccnc2c1, COCCN to produce COCCNC(=O)c1ccc(-c2ccc3nnc(COc4ccnc5cc(OC)ccc45)n3c2)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.