Using COC(=O)COc1cccc2c1c1c(n2Cc2ccccc2)CCC1C(N)=O to produce NC(=O)C1CCc2c1c1c(OCC(=O)O)cccc1n2Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.