Using CSc1ccc(NC(=O)COc2ccc(CC3SC(=O)NC3=O)cc2)c(N(C)C(=O)OC(C)(C)C)c1 to produce CSc1ccc2nc(COc3ccc(CC4SC(=O)NC4=O)cc3)n(C)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.