Using COc1ccccc1CCN, COC(=O)c1ccc2c(c1)CCCC2=O to produce COC(=O)c1ccc2c(c1)CCCC2NCCc1ccccc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.