Using O=C1CCCN1, CCOC(=O)c1c(Cl)nc2ccc(Cl)cc2c1-c1ccccc1 to produce CCOC(=O)c1c(N2CCCC2=O)nc2ccc(Cl)cc2c1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.