Using NC(=O)OCC1c2c(O)cc(C=O)cc2N2CC3NC3C1(O)O2, NNC(=O)Nc1ccccc1 to produce NC(=O)OCC1c2c(O)cc(C=NNC(=O)Nc3ccccc3)cc2N2CC3NC3C1(O)O2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.