Using OC1CCNCC1, CC(C)(O)c1cccn2c(-c3ccnc(NC4CCC(C(=O)O)CC4)n3)cnc12 to produce CC(C)(O)c1cccn2c(-c3ccnc(NC4CCC(C(=O)N5CCC(O)CC5)CC4)n3)cnc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.