Using CCCCC(=Cc1cnc(CCCC)n1Cc1ccccc1Cl)C(=O)O, [Li]CCCC to produce CCCCc1ncc(CC(CCCC)C(=O)OC)n1Cc1ccccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.