Using CNC, CCCCc1cn(C(C)(C)C)s/c1=N\C(=O)C1(C)CCC(C(=O)O)C1(C)C to produce CCCCc1cn(C(C)(C)C)s/c1=N\C(=O)C1(C)CCC(C(=O)N(C)C)C1(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.