Using CCOC(=O)Cc1ccc(Cc2n[nH]c3c2c(=O)n(-c2ccccc2)c2ncccc32)cc1 to produce O=C(O)Cc1ccc(Cc2n[nH]c3c2c(=O)n(-c2ccccc2)c2ncccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.