Using Cc1nsc(Cl)n1, CCOC(=O)CCCCCC(C(=O)OC(C)(C)C)C(=O)OC(C)(C)C to produce CCOC(=O)CCCCCC(C(=O)OC(C)(C)C)(C(=O)OC(C)(C)C)c1nc(C)ns1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.