Using CCOC(=O)c1csc2c1c(=O)n(C)c(=O)n2CC(C)C, O=Cc1ccnc2ccccc12 to produce CCOC(=O)c1c(C(O)c2ccnc3ccccc23)sc2c1c(=O)n(C)c(=O)n2CC(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.