Using O=C(Cc1cccc(OCc2ccccc2)c1)Nc1ccc(Cl)c(Cl)c1 to produce Clc1ccc(NCCc2cccc(OCc3ccccc3)c2)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.