Using CCOC(=O)C(=CN(C)C)C(=O)C1=C(N2CCCC2)CN(C(=O)OC)C1 to produce CCOC(=O)c1cnc2c(c1O)CN(C(=O)OC)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.