Using COCC=O, COc1cc2c(Oc3ccc4[nH]c(C)cc4c3)ncnc2cc1OCC1CCNCC1 to produce COCCN1CCC(COc2cc3ncnc(Oc4ccc5[nH]c(C)cc5c4)c3cc2OC)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.