Using CCOC(=O)c1c(C)n(C(C)c2ccccc2)c2c(=O)n(C)ccc12 to produce Cc1c(C(=O)O)c2ccn(C)c(=O)c2n1C(C)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.