Using O=C(CC(O)(Cn1cncn1)c1ccc(Cl)cc1Cl)NCCO to produce O=C(CC(O)(Cn1cncn1)c1ccc(Cl)cc1Cl)N1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.