Using CCOC(=O)Cc1csc(N=C2SC[C@@H]3Cc4ccccc4CN23)n1 to produce O=C(O)Cc1csc(N=C2SC[C@@H]3Cc4ccccc4CN23)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.