Using O=C(NC(COCC1CCNCC1)c1ccccc1Cl)c1ccc2c(Cl)c[nH]c2c1, OCCCl to produce O=C(NC(COCC1CCN(CCO)CC1)c1ccccc1Cl)c1ccc2c(Cl)c[nH]c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.