Using ICCn1cnc(-c2ccccc2)c1, CCOC(=O)C(C)S(C)(=O)=O to produce CCOC(=O)C(C)(CCn1cnc(-c2ccccc2)c1)S(C)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.