Using Cc1nsc(Cl)n1, CC(C)(C)OC(=O)C(CCCCCC#N)C(=O)OC(C)(C)C to produce Cc1nsc(C(CCCCCC#N)(C(=O)OC(C)(C)C)C(=O)OC(C)(C)C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.