Using Cc1cccc2scc(CO)c12, C[C@@H](C(=O)OC(C)(C)C)n1c(=O)[nH]c2ccccc21 to produce Cc1cccc2scc(Cn3c(=O)n([C@@H](C)C(=O)OC(C)(C)C)c4ccccc43)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.