Using OC1CCNCC1, COC(=O)c1cc(C(=O)O)cc(-n2cccc2)c1 to produce COC(=O)c1cc(C(=O)N2CCC(O)CC2)cc(-n2cccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.