Using O=C(C1CNC1)N1CCCN(C2CCC2)CC1, Cc1ncc(C(=O)O)cn1 to produce Cc1ncc(C(=O)N2CC(C(=O)N3CCCN(C4CCC4)CC3)C2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.