Using COc1ccc(CN(C(=O)OC(C)(C)C)c2ccc(C=O)cn2)cn1, c1cnc2[nH]ccc2n1 to produce COc1ccc(CN(C(=O)OC(C)(C)C)c2ccc(C(O)c3c[nH]c4nccnc34)cn2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.