Using COc1cc(NC(=N)N)ccc1-n1cnc(C)c1, COC(=O)C1CN(C(=O)OC(C)(C)C)CCC1=O to produce COc1cc(Nc2nc(O)c3c(n2)CCN(C(=O)OC(C)(C)C)C3)ccc1-n1cnc(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.