Using Cc1nccn1-c1ccc(Nc2nc(O)c3c(n2)CCN(C(=O)OC(C)(C)C)C3)cc1 to produce Cc1nccn1-c1ccc(Nc2nc(O)c3c(n2)CCNC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.