Using Cc1cnc(Cl)nc1Nc1ccc(NC(=O)OC(C)(C)C)c(CCc2cncc(NC(=O)OC(C)(C)C)c2)c1 to produce Cc1cnc(Cl)nc1Nc1ccc(N)c(CCc2cncc(N)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.