Using COC(=O)c1ccc2c(c1)ncn2C(c1ccccc1)(c1ccccc1)c1ccccc1 to produce OCc1ccc2c(c1)ncn2C(c1ccccc1)(c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.