Using CC#N, O=C1OCCCC[C@@H](O)CCCCCc2cc(O)cc(O)c21 to produce C[C@H]1CCC[C@H](O)CCCCCc2cc(O)cc(O)c2C(=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.