Using [NH4+], COC(=O)c1cccc2c1c1c(O)cccc1n2Cc1ccccc1Cc1ccccc1 to produce NC(=O)c1cccc2c1c1c(O)cccc1n2Cc1ccccc1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.