Using CC(C)(C)OC(=O)CNCc1cnc(NC(=O)N(C2CCCCC2)C2CCCCC2)s1 to produce O=C(O)CNCc1cnc(NC(=O)N(C2CCCCC2)C2CCCCC2)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.