Using CCOC(=O)c1ccc(I)cc1, C#Cc1cc2c(cc1F)SC(C)(C)CC2=O to produce CCOC(=O)c1ccc(CCc2cc3c(cc2F)SC(C)(C)CC3=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.