Using O=C(O)[C@H]1CCCO1, CCCCCCCCOc1ncc(-c2ccc(O)cc2)cn1 to produce CCCCCCCCOc1ncc(-c2ccc(OC(=O)[C@H]3CCCO3)cc2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.