Using COC(=O)c1cccc2cc(-c3cc(Nc4ccnc(N)n4)cc4cn[nH]c34)[nH]c12 to produce Nc1nccc(Nc2cc(-c3cc4cccc(CO)c4[nH]3)c3[nH]ncc3c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.