Using CCOC(=O)c1cn(C)c2ccc(C(=O)c3c(C)cc4ccccn34)cc2c1=O to produce Cc1cc2ccccn2c1C(=O)c1ccc2c(c1)c(=O)c(C(=O)O)cn2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.