Using CSc1ncc2c(=O)oc(=O)n(C(C)C)c2n1, CCOC(=O)CC(=O)OCC to produce CCOC(=O)c1c(O)c2cnc(SC)nc2n(C(C)C)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.