Using O=Cc1c(Cl)ccnc1N1CCc2c(cc3n2CCCC3)C1=O to produce O=C1c2cc3n(c2CCN1c1nccc(Cl)c1CO)CCCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.