Using O=Cc1nc2ccccc2[nH]1, CCOC(=O)c1[nH]ccc1N to produce CCOC(=O)c1[nH]ccc1NCc1nc2ccccc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.