Using CC(C)(C)OC(=O)NCc1ccc(NC(=S)NC(=O)c2ccccc2)cc1 to produce CC(C)(C)OC(=O)NCc1ccc(NC(N)=S)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.