Using O=CC1CCOCC1, CC(C)(C)c1cc(NC(=O)[C@@H]2CCCCN2)sn1 to produce CC(C)(C)c1cc(NC(=O)[C@@H]2CCCCN2CC2CCOCC2)sn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.