Using COc1ccc(CNC(=O)CC2C=CC(=O)CC2)c(OC)c1 to produce COc1ccc(CN2C(=O)CC3CCC(=O)CC32)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.