Using CCCCc1ncc(CC(=O)O)n1Cc1ccccc1Cl, COC(=O)CN to produce CCCCc1ncc(CC(=O)NCC(=O)OC)n1Cc1ccccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.