Using COc1cnc(Nc2cnc(Cl)c(NC(=O)OC(C)(C)C)c2)c(-c2nc(C)nc(N)n2)c1 to produce COc1cnc(Nc2cnc(Cl)c(N)c2)c(-c2nc(C)nc(N)n2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.